How much does solar cost in Lagos in 2026?

Real naira ranges, the variables that move them, and the calculator that does your maths for free.

Nobody can quote a solar system from a headline price, and any installer who does is guessing. But you deserve honest ranges before the first site visit, so here they are — and, more usefully, the four variables that decide where in the range you land.

What you are actually paying for

A solar-plus-storage system is four cost centres, not one:

• Panels — the most visible cost and, increasingly, the smallest per watt.
• Battery storage — usually the largest single line item, and the one that scales with how much backup you want.
• Inverter and electronics — the brains; hybrid units cost more but earn it in flexibility.
• Installation, mounting, and protection — labour, structure, and the safety gear that keeps it compliant.

The four variables that move the number

1. Your daily energy, not your peak load

The most common costing mistake is sizing to the largest appliance instead of daily consumption. A 3 kW load that runs two hours a day is a very different system from one that runs twelve. Kilowatt-hours per day drive battery size, and battery size drives price.

2. How long you want to run without sun

One day of autonomy or three? Each extra day of backup multiplies the battery bank. Most Lagos homes and SMEs settle between one and two days once they see the cost curve.

3. Panel and battery chemistry

Tier-1 panels and lithium storage cost more upfront and less over ten years. Cheaper lead-acid banks lower the sticker price and raise the replacement schedule.

4. Roof, structure, and shading

A clean, unshaded roof with simple mounting is cheaper to commission than a shaded, multi-plane, or ground-mount site. This is a survey item, not a guess.

Size to your kilowatt-hours and your autonomy, and the price stops being a mystery.

NewHouse Energies solar team

Do your own maths first

Our solar sizing calculator lets you enter your appliances, hours, and desired autonomy and returns an indicative array and battery size — the two numbers that most influence cost — before you talk to anyone. Bring that output to us and the conversation starts at engineering, not sales. When you are ready, our installation team turns the estimate into a commissioned, monitored system.